package com.servlets;

import java.io.IOException;
import java.sql.SQLException;
import javax.naming.NamingException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import com.DisplayChatters;
import com.NicknameValidation;

public class StartServlet extends HttpServlet {
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        ServletContext servletContext = this.getServletContext();
        WebApplicationContext webcontext = WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);
        NicknameValidation valid = (NicknameValidation) webcontext.getBean("nicknameValidation");

        try {
            if (valid.validate(request.getParameter("login"))) {
                if (request.getParameter("login") != null) {
                    request.getSession().setAttribute("nickname", request.getParameter("login"));

                    RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/WEB-INF/chat.jsp");
                    dispatcher.forward(request, response);
                    return;
                }
            }
        } catch (SQLException | NamingException e1) {
            e1.printStackTrace();
        }
        DisplayChatters display = (DisplayChatters) webcontext.getBean("displayChatters");
        try {
            request.getSession().setAttribute("users", display.getUsers());
        } catch (ClassNotFoundException | SQLException | NamingException e) {
            e.printStackTrace();
        }

        RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/WEB-INF/start.jsp");
        dispatcher.forward(request, response);
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        doGet(request, response);
    }

}
